NExfil
Fast OSINT tool for discovering web profiles by username
...By performing automated queries across numerous services, NExfil helps investigators, researchers, and security professionals quickly identify potential accounts associated with a particular username. The tool focuses on delivering results rapidly while minimizing false positives during the search process. Users can supply a single username, multiple usernames, or a file containing a list of usernames for bulk scanning. NExfil processes these inputs and attempts to detect matching profiles across more than 350 websites within seconds. Because it is command-line based and open source, it can be easily integrated into OSINT workflows and cybersecurity research environments.